func5_1

#include <stdlib.h>
#include <stdio.h>
#include <math.h>

int func5_1(int a, int b, int h);

// Y = log( sqrt( exp( X - 1 ) ) )
int func5_1(int a, int b, int h) {

    double y = 0;
    int x = 0;
    int i = 0;

    if((b <= 0) || (h <= 0)) {
        fprintf(stderr, "b or h should be higher then 0\n");
        return 0;
    }

    do {
        if(i == 0) {
            x = a;
        } else if(i == 1) {
            x = a + h;
        } else {
            x = a + h + i;
        }

        y = log( sqrt( exp( (double)(x - 1) ) ) );

        printf("With y = %3.2lf as result and b = %d as limit\n", y, b);

        i++;
    } while(y <= (double)b);

    return 0;
}

int main(int argc, char **argv) {
    func5_1(-1, 20, 20);

    return 0;
}